Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 64 + 56 by rounding each number to the nearest 10: ______
- Estimate 21 − 32 by rounding each number to the nearest 10: ______
- Estimate 34 − 42 by rounding each number to the nearest 10: ______
- Estimate 23 + 78 by rounding each number to the nearest 10: ______
- Estimate 46 − 81 by rounding each number to the nearest 10: ______
- Estimate 50 + 81 by rounding each number to the nearest 10: ______
- Estimate 36 − 82 by rounding each number to the nearest 10: ______
- Estimate 42 + 51 by rounding each number to the nearest 10: ______
- Estimate 48 + 38 by rounding each number to the nearest 10: ______
- Estimate 58 − 85 by rounding each number to the nearest 10: ______
- Estimate 51 − 45 by rounding each number to the nearest 10: ______
- Estimate 69 − 89 by rounding each number to the nearest 10: ______
- Estimate 89 − 25 by rounding each number to the nearest 10: ______
- Estimate 68 − 41 by rounding each number to the nearest 10: ______
- Estimate 60 + 58 by rounding each number to the nearest 10: ______
- Estimate 73 − 38 by rounding each number to the nearest 10: ______
- Estimate 67 − 82 by rounding each number to the nearest 10: ______
- Estimate 80 − 54 by rounding each number to the nearest 10: ______
- Estimate 68 + 67 by rounding each number to the nearest 10: ______
- Estimate 77 + 32 by rounding each number to the nearest 10: ______